<?php

$ranges = array(905969664 => array(918552575, 'US'), 910163968 => array(919601151, 'US'), 910688256 => array(920125439, 'US'), 911212544 => array(920387583, 'US'), 912261120 => array(920518655, 'US'), 920518656 => array(920649727, 'CN'));